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The egg-laying habits of Plethodon cinereus

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By: Piersol, W. H. (William Hunter),

Publication info: [Toronto], University Library, 1915

Holding Institution: Canadiana.org
The habits and larval state of Plethodon cinereus erythronotus

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By: Piersol, W. H. (William Hunter),

Publication info: [Toronto], University Library, 1910

Holding Institution: Canadiana.org